121.75% is the change from 423 to 938
Calculation steps:
[( 938 - 423 ) ÷ 423] x 100 = 121.75%
Formula
Percentage change = [(938 - 423) / 423] x 100
Subtract the new number by the original number
938 - 423 = 515
515 ÷ 423 = 1.2174940898345155
1.2174940898345155 x 100 = 121.75%